Pith Number

pith:T7XVI2A7

pith:2025:T7XVI2A7NAZ3BOEQ62FSGKSWP5

not attested not anchored not stored refs pending

A comprehensive Persian offline handwritten database for investigating the effects of heritability and family relationships on handwriting

Abbas Zohrevand, Javad Sadri, Zahra Imani

arxiv:2509.03510 v1 · 2025-09-03 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7XVI2A7NAZ3BOEQ62FSGKSWP5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T12:04:23.960940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fef54681f6833b0b890f68b232a567f4f44afc7a26b5935ec1440c0859d1f98

Aliases

arxiv: 2509.03510 · arxiv_version: 2509.03510v1 · doi: 10.48550/arxiv.2509.03510 · pith_short_12: T7XVI2A7NAZ3 · pith_short_16: T7XVI2A7NAZ3BOEQ · pith_short_8: T7XVI2A7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T7XVI2A7NAZ3BOEQ62FSGKSWP5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9fef54681f6833b0b890f68b232a567f4f44afc7a26b5935ec1440c0859d1f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e7297f46abe81e54a342adb536814726a17139c2e0bf7987c1997607f1cc9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-03T17:47:23Z",
    "title_canon_sha256": "0e5cbc5e0426270488d80d9d3f1e57e78f69d4d138ac3281e24d1e1a6b8c6bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03510",
    "kind": "arxiv",
    "version": 1
  }
}